More than 74 years as an electronic component trading company specializing in Akihabara Electric Town
connector, cable and wire, coolling fan, cable assembly, Control components, Various electronic components sale and wholesale

electric parts dealer TOMINAGA ELECTRIC CO.,LTD
Akihabara/Sendai electric parts dealer Japan
Japanese Site
Tominaga electric
electronic parts agency TOMINAGA DENKI

Nanaboshi Electric Mfg. Stock list

SANYO DENKI stock list

Sanwa connector stock list

Heyco Products stock list


We exhibited at Electronics Component & Unit Show, an electronics total solution exhibition held at Tokyo Big Sight from May 31 to June 2, 2023.

High-voltage connectors, NHVC series.

This outdoor waterproof connector can batch connect 3.3 kV and 6.6 kV 3-phase high-voltage cables.

As a purchasing department of your company

purchasing We will help the efficiency of the purchasing

purchasing department

As an out-source the purchasing department, to raise the necessary electronic components on behalf of your company, you can find the best and purchasing efficiency of your company.

We are an authorized distributor of I-PEX

As an authorized distributor of I-PEX, we deal in various connectors manufactured by I-PEX.


Efforts on the environment

We introduced the Nissan Leaf

We introduced electric vehicles as operating our vehicles, do not use any gasoline, Nissan "Leaf".

CO2, of course, does not exhaust all also nitrogen oxide.

Main manufacturer and product


Cable and wire

Fan and motor


Transformer etc.


Electronic parts wholesale and retail mail order.
Electronic parts wholesale
and retail mail order.
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More than 74 years in Akihabara Electric Town copyright© tominaga electric co.,ltd all rights reserved TOMINAGA ELECTRIC